Plastic Water Solenoid Valve - 12V - 1/2" Nominal

$6.95

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Control the flow of fluid using the flow of electrons! This liquid valve would make a great addition to your robotic gardening project. There are two 1/2" (Nominal non-taped National Pipe) outlets. Normally, the valve is closed. When 12VDC is applied to the two terminals, the valve opens and water can push through. The valve has a gasket arrangement inside, so there is a minimum pressure requirement of 0.02 Mpa (3 PSI). Also, liquid can only flow one direction.

We tried this solenoid at various DC voltages and found we could actuate it down at 6VDC (although it was a little slower to open). Here is the current draw table for various voltages. We suggest a TIP120 or a N-Channel power FET with a 1N4001 kickback diode to drive this from a microcontroller pin. For a power supply, you can use 9V at 1A or 12V at 1A.

Voltage

Current

6V

160 mA

7V

190 mA

8V

220 mA

9V

240 mA

10V

270 mA

11V

300 mA

12V

320 mA

1/2" Nominal NPS

Working Pressure: 0.02 Mpa - 0.8 Mpa

Working Temperature: 1 - 75 ?

Response time (open): ? 0.15 sec

Response time (close): ? 0.3 sec

Actuating voltage: 12VDC (but we found it would work down to 6V)

Actuating life: ? 50 million cycles

Weight: 4.3 oz

Dimensions: 3" x 2.25" x 2"

These solenoids are not rated for food safety or use with anything but water.